Patents by Inventor Soonjae Hwang
Soonjae Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240392184Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.Type: ApplicationFiled: May 14, 2024Publication date: November 28, 2024Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Soo-Yong LEE, Samuel KIM
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Publication number: 20240381758Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.Type: ApplicationFiled: May 7, 2024Publication date: November 14, 2024Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
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Publication number: 20240376376Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.Type: ApplicationFiled: May 7, 2024Publication date: November 14, 2024Applicants: LG Display Co., Ltd., DuPont Specialty Materials Korea Ltd.Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoung-Jin PARK, Hyun Kim, Jin Ri HONG, Yeon Gun LEE
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Publication number: 20240360168Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.Type: ApplicationFiled: April 25, 2024Publication date: October 31, 2024Applicant: LG Display Co., Ltd.Inventors: Kusun Choung, Hansol Park, Nayeon Lee, Gyuhyeong Kim, Soonjae Hwang
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Publication number: 20240287113Abstract: Disclosed are an organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same.Type: ApplicationFiled: January 26, 2024Publication date: August 29, 2024Applicant: LG Display Co., Ltd.Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
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Publication number: 20240287112Abstract: Disclosed are an organometallic compound, more particularly, an organometallic compound having phosphorescent properties, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)n(LB)3-n, where n is an integer of 1 to 3, LA is a ligand represented by one of Chemical Formula 1-1, Chemical Formula 1-2, and Chemical Formula 1-3, and LB is a bidentate ligand.Type: ApplicationFiled: January 18, 2024Publication date: August 29, 2024Applicant: LG Display Co., Ltd.Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
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Publication number: 20240284779Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and the organic light-emitting diode containing the organometallic compound. The organometallic compound is represented by Ir(LA)m(LB)n, where LA is a ligand having a structure represented by Chemical Formula 2, and LB is a bidentate ligand.Type: ApplicationFiled: January 22, 2024Publication date: August 22, 2024Applicant: LG Display Co., Ltd.Inventors: Yoojeong Jeong, Misang Yoo, Hansol Park, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
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Publication number: 20240284780Abstract: An organometallic compound represented by Chemical Formula 1, and an organic light-emitting diode containing the same. In the Chemical Formula 1, Z represents one of O (oxygen), S (sulfur) or Se (selenium), m is 1 or 2, n is an integer from 0 to 2, and X Y is a bidentate ligand.Type: ApplicationFiled: January 29, 2024Publication date: August 22, 2024Applicant: LG Display Co., Ltd.Inventors: Hansol Park, Misang Yoo, Yoojeong Jeong, Kusun Choung, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
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Publication number: 20240268214Abstract: Disclosed are an organometallic compound used as a phosphorescent dopant material of a light-emitting layer of an organic light-emitting diode, and an organic light-emitting diode containing the same. The organometallic compound is represented by Ir(LA)m(LB)n. An organic light-emitting diode includes a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode. The organic layer includes a light-emitting layer that contains the organometallic compound disclosed herein.Type: ApplicationFiled: January 18, 2024Publication date: August 8, 2024Applicant: LG Display Co., Ltd.Inventors: Kusun Choung, Misang Yoo, Hansol Park, Yoojeong Jeong, Soonjae Hwang, Kyoungjin PARK, Hyun KIM, Soo-Yong LEE, Samuel KIM
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Publication number: 20240224784Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by Chemical Formula 1, wherein the host material includes a mixture of a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.Type: ApplicationFiled: November 21, 2023Publication date: July 4, 2024Applicant: LG Display Co., Ltd.Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
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Publication number: 20240215285Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by Chemical Formula 1, wherein the host material includes a mixture of a compound represented by Chemical Formula 2 and a compound represented by Chemical Formula 3.Type: ApplicationFiled: November 21, 2023Publication date: June 27, 2024Applicant: LG Display Co., Ltd.Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
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Publication number: 20240215435Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a Chemical Formula 1, wherein the host material includes a mixture of a compound represented by a Chemical Formula 2 and a compound represented by a Chemical Formula 3. The organic light-emitting diode has excellent light-emitting efficiency and lifespan.Type: ApplicationFiled: November 17, 2023Publication date: June 27, 2024Applicant: LG Display Co., Ltd.Inventors: Sungjin PARK, lnbum SONG, Dohan KIM, Jaemin MOON, Seokwoo KANG, Soonjae HWANG
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Publication number: 20240215436Abstract: Disclosed is an organic light-emitting diode including: a first electrode; a second electrode facing the first electrode; and an organic layer disposed between the first electrode and the second electrode; wherein the organic layer includes a light-emitting layer, wherein the light-emitting layer includes a dopant material and a host material, wherein the dopant material includes an organometallic compound represented by a Chemical Formula 1, wherein the host material includes a mixture of a compound represented by a Chemical Formula 2 and a compound represented by a Chemical Formula 3. The organic light-emitting diode has excellent light-emitting efficiency and lifespan.Type: ApplicationFiled: November 17, 2023Publication date: June 27, 2024Applicant: LG Display Co., Ltd.Inventors: Seokwoo KANG, lnbum SONG, Dohan KIM, Sungjin PARK, Jaemin MOON, Soonjae HWANG
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Patent number: 11069288Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.Type: GrantFiled: September 28, 2017Date of Patent: July 20, 2021Assignee: LG Display Co., Ltd.Inventors: SoonJae Hwang, DaeWoong Chun, Sangyoul Lee, Chulwoo Lee
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Patent number: 10236332Abstract: The present disclosure relates to an organic light emitting diode display having high luminescence. The present disclosure suggests an organic light emitting diode display comprising: a data line, a scan line and a driving current line defining a pixel area on a substrate; an anode electrode formed within the pixel area; an additional capacitance formed by overlapping expanded portions of the anode electrode with some portions of the driving current line; a bank defining a light emitting area in the anode electrode; an organic emission layer formed on the anode electrode; and a cathode electrode formed on the organic emission layer. The present disclosure suggests high luminescence organic light emitting diode display by including an additional capacitance for increasing the anode capacitance.Type: GrantFiled: December 11, 2013Date of Patent: March 19, 2019Assignee: LG Display Co., Ltd.Inventors: Kimoon Jung, Soonjae Hwang, Jongsik Shim
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Patent number: 10163985Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.Type: GrantFiled: November 28, 2016Date of Patent: December 25, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Soonjae Hwang, Homin Lim, Hanareum Jung, Thomas Lloyd Credelle
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Publication number: 20180090069Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.Type: ApplicationFiled: September 28, 2017Publication date: March 29, 2018Inventors: SoonJae HWANG, DaeWoong CHUN, Sangyoul LEE, Chulwoo LEE
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Patent number: 9741747Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gateType: GrantFiled: January 26, 2017Date of Patent: August 22, 2017Assignee: LG DISPLAY CO., LTD.Inventors: SoonJae Hwang, DuHwan Oh, HwaDong Han
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Publication number: 20170141129Abstract: A display device comprising a display panel that includes an active area, the active area including a data line positioned on a substrate in a first direction and transferring a data signal, a gate line positioned on the substrate in a second direction and transferring a gate signal, a thin film transistor connected to the gate line and the data line, and a plurality of pixels driven by the thin film transistor, a first pad coupled to a first signal line disposed in a data signal area wherein the first signal line is connected to the data line, and a first non-signal line disposed in a first non-signal area wherein the first non-signal line is disconnected from the data line, the first non-signal area being disposed outside the data signal area, a second pad coupled to a second signal line disposed in a gate signal area wherein the second signal line is connected to the gate line, and a second non-signal line disposed in a second non-signal area wherein the second non-signal line is disconnected from the gateType: ApplicationFiled: January 26, 2017Publication date: May 18, 2017Applicant: LG DISPLAY CO., LTD.Inventors: SoonJae HWANG, DuHwan OH, HwaDong HAN
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Publication number: 20170077191Abstract: A subpixel arrangement structure for a display device includes a plurality of unit pixels each having a red subpixel, a green subpixel, and a blue subpixel. The red, green, and blue subpixels form a delta arrangement. Green subpixels are disposed on a plurality of first subpixel arrangement lines, each of which extends along a direction of a first axis. Two red subpixels and two blue subpixels are alternately disposed along the first axis direction on a plurality of second subpixel arrangement lines. Each of the plurality of second subpixel arrangement lines is positioned between every two of the plurality of first subpixel arrangement lines and extends along the first axis direction.Type: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Applicant: LG DISPLAY CO., LTD.Inventors: Soonjae HWANG, Homin LIM, Hanareum JUNG, Thomas Lloyd CREDELLE